PasswordSlotManager: Fix incorrect string comparison.

Bug: 135721162
Test: cts-on-gsi -m CtsWindowManagerDeviceTestCases
Change-Id: I2a11dd6dfd44e10400e40ebbaa2ed597de95cdcb
Merged-In: I2a11dd6dfd44e10400e40ebbaa2ed597de95cdcb
(cherry picked from commit 2f809b0b7d427fd14c74adccfab704baac915a52)
1 file changed